H - Electricity – 04 – B
Patent
H - Electricity
04
B
325/1
H04B 10/213 (2006.01) H04L 12/413 (2006.01)
Patent
CA 1246679
OPTICAL COMPOSITE TRANSCEIVER ABSTRACT OF THE DISCLOSURE An optical composite transceiver for a bus type local area network (LAN) system using a U-shaped or S-shaped optical fiber cable as a one-way transmission line, and using a carrier sense multiple access/collision detection (CSMA/CD) method and a half duplex communi- cation method, the optical composite transceiver includes: optical couplers for sending and branching data to and from the optical fiber cable; an electric- to-optical converter and an optical-to-electric converter for converting an electric signal to an optical signal and an optical signal to an electric signal; an inner coaxial cable provided within the optical composite transceiver; a plurality of coaxial transceivers con- nected to the inner coaxial cable; and a control unit having access functions for sending and receiving data, and a collision detection function, and operatively connected to one of the inner coaxial transceivers.
522611
Matsuda Takashi
Okada Akihiro
Fujitsu Limited
Mcfadden Fincham
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